Manual

Seven-segment display LEDs
The seven-segment display indicates Power On Self Test (POST) and system status information. During
normal operation, the display will read “on.”
UseDescriptionItem
Scrolls the display upUp button1
Scrolls the display downDown button2
Display area for POST and system status codesDisplay3
Codes consist of four characters, but only two characters are displayed at a time. Pressing the up or
down arrow button on the seven-segment display shows the remaining characters.
The first character represents a domain code:
• C—Configuration error
• F—Firmware error
• H—Hardware error
The second character indicates the controller signalling the error:
• 1—Controller 1
• 2—Controller 2
The third and fourth characters indicate the specific error on the controller: (Displayed by pressing the
up or down arrow on the seven-segment display.)
Example 1. Error code example
C101 = Controller 1, unsupported configuration
LED descriptions18